JPS5592947A - Interruption control system for microprogram - Google Patents
Interruption control system for microprogramInfo
- Publication number
- JPS5592947A JPS5592947A JP16240878A JP16240878A JPS5592947A JP S5592947 A JPS5592947 A JP S5592947A JP 16240878 A JP16240878 A JP 16240878A JP 16240878 A JP16240878 A JP 16240878A JP S5592947 A JPS5592947 A JP S5592947A
- Authority
- JP
- Japan
- Prior art keywords
- register
- contents
- main routine
- unit
- interruption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To make it possible to execute a previously-fixed subroutine at a high speed by executing each subroutine in response to indication from a timer as if a main routine would be executed.
CONSTITUTION: A main routine and various subroutines are stored in control memory 1 and initial addresses of respective routines are accesses by address information set in control memory address register 2. One timer 10 sends an interruption request at a timing point in time, the interruption request is set in interruption register 11 and control unit 5 is informed of that. Unit 5 stacks the contents of register 2 in stack register 12 and contents of a branch adress register set previously are set in register 2. On the basis of branch-destination address information set in register 2, subroutines are executed and after this execution, unit 5 detects an end instruction via data register 4 to set the contents of register 12 in register 2, thereby restarting the interrupted main routine.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16240878A JPS5592947A (en) | 1978-12-29 | 1978-12-29 | Interruption control system for microprogram |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16240878A JPS5592947A (en) | 1978-12-29 | 1978-12-29 | Interruption control system for microprogram |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5592947A true JPS5592947A (en) | 1980-07-14 |
Family
ID=15754030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16240878A Pending JPS5592947A (en) | 1978-12-29 | 1978-12-29 | Interruption control system for microprogram |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5592947A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5500809A (en) * | 1992-08-31 | 1996-03-19 | Sharp Kabushiki Kaisha | Microcomputer system provided with mechanism for controlling operation of program |
US5729727A (en) * | 1994-12-06 | 1998-03-17 | Matsushita Electric Industrial Co., Ltd. | Pipelined processor which reduces branch instruction interlocks by compensating for misaligned branch instructions |
-
1978
- 1978-12-29 JP JP16240878A patent/JPS5592947A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5500809A (en) * | 1992-08-31 | 1996-03-19 | Sharp Kabushiki Kaisha | Microcomputer system provided with mechanism for controlling operation of program |
US5729727A (en) * | 1994-12-06 | 1998-03-17 | Matsushita Electric Industrial Co., Ltd. | Pipelined processor which reduces branch instruction interlocks by compensating for misaligned branch instructions |
EP0716376A3 (en) * | 1994-12-06 | 1998-04-01 | Matsushita Electric Industrial Co., Ltd. | A pipeline processor with reduced interlocks caused by branch instructions |
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